The Cluster is a robotic alien regime from Cluster Prime from My Life As A Teenage Robot.
The Cluster live at Cluster Prime, a place where robots are free from other threats(in which that its enigmatic creator dedicated to do). the planet's creator, the enigmatic Professor B(or Dr.B) first created these chip, which believed to have Superpowers only when and if.
Once Vexus became the Queen, the Cluster became a regime. With her power she hid away chips that would give all her people superpowers to keep only the most loyal followers powerful. Vexus then claimed Jenny had destroyed them in order to gain support of her people to help her chances for conquering Earth. As she does so she manipulated her people into thinking tha Jenny and humanity were the evil ones who wanted to conquer the universe. It is also implied that Vexus would not only use properganda but also eliminate anyone who didn't follow her orders without question.
Once Vexus' daughter Vega became queen, the Cluster stopped their regime and Vexus and her allies are now considered rebels and banished from Cluster Prime as a result but when Vexus Smytus and Krakus first upgrade them with a help of her previous human scientist Dr Brindlius who,disgust of how Vega mistreated her family planet and is eager to help alongside with them once more to finished against the unfinished work Vega's reign on Cluster Prime.
- Even though they are from a kids cartoon, they have Nazi qualities.